268155289659 has 8 divisors (see below), whose sum is σ = 358143323472. Its totient is φ = 178468724480.

The previous prime is 268155289627. The next prime is 268155289711. The reversal of 268155289659 is 956982551862.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 268155289659 - 2⁵ = 268155289627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268155289659.

It is not an unprimeable number, because it can be changed into a prime (268155289609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75365082 + ... + 75368639.

It is an arithmetic number, because the mean of its divisors is an integer number (44767915434).

Almost surely, 2^268155289659 is an apocalyptic number.

268155289659 is a deficient number, since it is larger than the sum of its proper divisors (89988033813).

268155289659 is a wasteful number, since it uses less digits than its factorization.

268155289659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150734317.

The product of its digits is 93312000, while the sum is 66.

The spelling of 268155289659 in words is "two hundred sixty-eight billion, one hundred fifty-five million, two hundred eighty-nine thousand, six hundred fifty-nine".